LEF-TFN01
Installation and Maintenance Manual
Electric Actuator / Slider Type
Series LEF
Applicable model number:
LEFS*A-*
LEFS*B-*
LEFB*T-*
1 Safety Instructions
This manual contains essential information for the protection of users and
others from possible injury and/or equipment damage.
•
Read this manual before using the product to ensure correct handling
and also read the manuals of related apparatus before use.
•
Keep this manual in a safe place for future reference.
•
These instructions indicate the level of potential hazard by label of
“Caution”, “Warning” or “Danger”, followed by important safety
information which must be carefully followed.
•
To ensure safety of personnel and equipment the safety instructions in
this manual and the product catalogue must be observed, along with
other relevant safety practices.
Caution
Indicates a hazard with a low level of risk.
Which if not avoided, could result in minor or
moderate injury.
Warning
Indicates a hazard with a medium level of risk.
Which if not avoided, could result in death or
serious injury.
Danger
Indicates a hazard with a high level of risk.
Which if not avoided, will result in death or
serious injury.
•
Electromagnetic compatibility: This product is class A equipment that is
intended for use in an industrial environment. There may be potential
difficulties
in
ensuring
electromagnetic
compatibility
in
other
environments due to conducted as well as radiated disturbances.
Warning
•
Do not disassemble, modify (including change of printed circuit
board) or repair the product.
An injury or product failure may result.
•
Do not operate the product beyond the specification range.
Fire, malfunction or equipment damage may result.
Use the product only after confirming the specifications.
•
Do not use the product in the presence of flammable, explosive or
corrosive gas.
Fire, explosion or corrosion may result.
This product does not have an explosion proof construction.
•
When using the product as part of an interlocking system:
Provide a double interlocking system, for example a mechanical system.
Check the product regularly to ensure correct operation.
•
Before performing maintenance, be sure of the following:
Turn off the power supply.
Caution
•
Always perform a system check after maintenance.
Do not use the product if any error occurs.
Safety cannot be assured if caused by un-intentional malfunction.
•
Provide grounding to ensure correct operation and to improve
noise resistance of the product.
This product should be individually grounded using a short cable.
•
Follow the instructions given below when handling the product.
Failing to do so may result in product damage.
•
Maintenance space should always be provided around the product.
•
Do not remove labels from the product.
•
Do not drop, hit or apply excessive shock to the product.
•
Unless stated otherwise, follow all specified tightening torques.
•
Do not bend, apply tensile force, or apply force by placing heavy
loads on the cables.
1 Safety Instructions (continued)
•
Connect wires and cables correctly and do not connect while the
power is turned on.
•
Do not route input/output wires and cables together with power or
high-voltage cables.
•
Check the insulation of wires and cables.
•
Take appropriate measures against noise, such as noise filters,
when the product is incorporated into other equipment or devices.
•
Take sufficient shielding measures when the product is to be used
in the following conditions:
• Where noise due to static electricity is generated.
• Where electro-magnetic field strength is high.
• Where radioactivity is present.
• Where power lines are located.
•
Do not use the product in a place where electrical surges are
generated.
•
Use suitable surge protection when a surge generating load such
as a solenoid valve is to be directly driven.
•
Prevent any foreign matter from entering this product.
•
Do not expose the product to vibration or impact.
•
Use the product within the specified ambient temperature range.
•
Do not expose the product to any heat radiation.
•
Use a precision screwdriver with flat blade to adjust the DIP switch.
•
Close the cover over the switches before power is turned on.
•
Do not clean the product with chemicals such as benzene or
thinners.
2 General Instructions
2.1 Wiring
Warning
•
Adjusting, mounting or wiring change should not be done before
disconnecting the power supply to the product.
Electrical shock, malfunction and damage can result.
•
Do not disassemble the cables.
•
Use only specified cables.
•
Do not connect or disconnect the wires, cables and connectors
when the power is turned on.
Caution
•
Wire the connector correctly and securely.
Check the connector for polarity and do not apply any voltage to the
terminals other than those specified in the Operation Manual.
•
Take appropriate measures against noise.
Noise in a signal line may cause malfunction. As a countermeasure
separate the high voltage and low voltage cables, and shorten the wiring
lengths, etc.
•
Do not route input/output wires and cables together with power or
high voltage cables.
The product can malfunction due to interference of noise and surge
voltage from power and high voltage cables to the signal line. Route the
wires of the product separately from power or high voltage cables.
•
Take care that actuator movement does not catch cables.
•
Operate with all wires and cables secured.
•
Avoid bending cables at sharp angles where they enter the product.
•
Avoid twisting, folding, rotating or applying an external force to the
cable.
Risk of electric shock, wire breakage, contact failure and loss of control
of the product can happen.
•
Fix the motor cables protruding from the actuator in place before
use.
The motor and lock cables are not robotic type cables and can be
damaged when moved.
•
The actuator cables connecting the actuator and the controller are
robotic type cables. But should not be placed in a flexible moving
tube with a radius smaller than the specified value. (Min. 50 mm)
2 General Instructions (continued)
•
Confirm correct insulation of the product.
Poor insulation of wires, cables, connectors, terminals etc. can cause
interference with other circuits. Also there is the possibility that excessive
voltage or current may be applied to the product causing damage.
2.2 Transportation
Caution
•
Do not carry or swing the product by the cables.
2.3 Mounting
Warning
•
Observe the tightening torque for screws.
Unless stated otherwise, tighten the screws to the recommended torque
for mounting the product.
•
Do not make any alterations to this product.
Alterations made to this product may lead to a loss of durability and
damage to the product, which can lead to human injury and damage to
other equipment and machinery.
•
When an external guide is used, connect the moving parts of the
product and the load in such a way that there is no interference at
any point within the stroke.
Do not scratch or dent the sliding parts of the table or mounting face etc.,
by striking or holding them with other objects. The components are
manufactured to precise tolerances, so that even a slight deformation
may cause faulty operation or seizure.
•
Do not use the product until you verify that the equipment can be
operated correctly.
After mounting or repair, connect the power supply to the product and
perform appropriate functional inspections to check it is mounted
correctly.
•
When attaching to the work piece, do not apply strong impact or
large moment.
If an external force over the allowable moment is applied, it may cause
looseness in the guide unit, an increase in sliding resistance or other
problems.
•
Maintenance space
Allow sufficient space for maintenance and inspection.
2.4 Handling
Warning
•
Do not touch the motor while in operation.
The surface temperature of the motor can increase to approx. 90°C to
100°C due to operating conditions.
Energizing alone may also cause this temperature increase.
As it may cause burns, do not touch the motor when in operation.
•
If abnormal heating, smoking or fire, etc. occurs in the product,
immediately turn off the power supply.
•
Immediately stop operation if abnormal operation noise or vibration
occurs.
If abnormal operation noise or vibration occurs, the product may have
been mounted incorrectly. Unless operation of the product is stopped for
inspection, the product can be seriously damaged.
•
Never touch the rotating part of the motor or the moving part of the
actuator while in operation.
There is a serious risk of injury.
•
When installing, adjusting, inspecting or performing maintenance
on the product, controller and related equipment, be sure to turn off
the power supply to each of them. Then, lock it so that no one other
than the person working can turn the power on, or implement
measures such as a safety plug.
•
In the case of the actuator that has a servo motor (24 VDC), the
“motor phase detection step" is done by inputting the servo on
signal just after the controller power is turned on.
The “motor phase detection step” operates the table/rod to the
maximum distance of the lead screw. (The motor rotates in the
reverse direction if the table hits an obstacle such as the end stop
damper.) Take the “motor phase detection step” into consideration
for the installation and operation of this actuator
2 General Instructions (continued)
Caution
•
Keep the controller and product combined as delivered for use.
The product is set in parameters for shipment.
If it is combined with a different product parameter, failure can result.
•
Check the product for the following points before operation.
• Damage to electric driving line and signal lines.
• Looseness of the connector to each power line and signal line.
• Looseness of the actuator/cylinder and controller/driver mounting.
• Abnormal operation.
• Stop function
•
When more than one person is performing work, decide on the
procedures, signals, measures and resolution for abnormal
conditions before beginning the work.
•
Also designate a person to supervise the work, other than those
performing the work.
•
An operation test should be performed at low speed, start the test
at a predefined speed, after confirming there are no problems.
•
Actual speed of the product will be changed by the workload.
Before selecting a product, check the catalogue for the instructions
regarding selection and specifications.
•
Do not apply a load, impact or resistance in addition to a
transferred load during return to origin.
In the case of the return to origin by pushing force, additional force will
cause displacement of the origin position since it is based on detected
motor torque.
•
Do not remove the nameplate.
2.5 Actuator with lock
Warning
•
Do not use the lock as a safety lock or a control that requires a
locking force.
The lock used for the product with a lock is designed to prevent dropping
of work piece.
•
For vertical mounting, use the product with a lock.
If the product is not equipped with a lock, the product will move and drop
the work piece when the power is removed.
•
"Measures against drops” means preventing a work piece from
dropping due to its weight when the product operation is stopped
and the power supply is turned off.
•
Do not apply an impact load or strong vibration while the lock is
activated.
If an external impact load or strong vibration is applied to the product, the
lock will lose its holding force and damage to the sliding part of the lock
or reduced lifetime can result. The same situation will happen when the
lock slips due to a force higher than its holding force, as this will
accelerate the wear to the lock.
•
Do not apply liquid, oil or grease to the lock or its surroundings.
When liquid, oil or grease is applied to the sliding part of the lock, its
holding force will be reduced significantly.
•
Take “measures against drops” and check that safety is assured
before mounting, adjustment and inspection of the product.
If the lock is released with the product mounted vertically, a work piece
can drop due to its weight.
2.6 Please refer to the auto switch references in “Best Pneumatics “
when an auto switch is to be used.
2.7 Unpacking
Caution
•
Check the received product is as ordered.
If a different product is installed from the one ordered, injury or damage
could result.
